284745720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1319}}^1$

素因数の和:1597

約数の個数: 128

約数和(自身を含む): 980812800

約数和(自身を除く): 696067080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 420, 514, 771, 840, 1028, 1285, 1319, 1542, 1799, 2056, 2570, 2638, 3084, 3598, 3855, 3957, 5140, 5276, 5397, 6168, 6595, 7196, 7710, 7914, 8995, 9233, 10280, 10552, 10794, 13190, 14392, 15420, 15828, 17990, 18466, 19785, 21588, 26380, 26985, 27699, 30840, 31656, 35980, 36932, 39570, 43176, 46165, 52760, 53970, 55398, 71960, 73864, 79140, 92330, 107940, 110796, 138495, 158280, 184660, 215880, 221592, 276990, 338983, 369320, 553980, 677966, 1016949, 1107960, 1355932, 1694915, 2033898, 2372881, 2711864, 3389830, 4067796, 4745762, 5084745, 6779660, 7118643, 8135592, 9491524, 10169490, 11864405, 13559320, 14237286, 18983048, 20338980, 23728810, 28474572, 35593215, 40677960, 47457620, 56949144, 71186430, 94915240, 142372860, 284745720]

約数ペア:

[(1, 284745720), (2, 142372860), (3, 94915240), (4, 71186430), (5, 56949144), (6, 47457620), (7, 40677960), (8, 35593215), (10, 28474572), (12, 23728810), (14, 20338980), (15, 18983048), (20, 14237286), (21, 13559320), (24, 11864405), (28, 10169490), (30, 9491524), (35, 8135592), (40, 7118643), (42, 6779660), (56, 5084745), (60, 4745762), (70, 4067796), (84, 3389830), (105, 2711864), (120, 2372881), (140, 2033898), (168, 1694915), (210, 1355932), (257, 1107960), (280, 1016949), (420, 677966), (514, 553980), (771, 369320), (840, 338983), (1028, 276990), (1285, 221592), (1319, 215880), (1542, 184660), (1799, 158280), (2056, 138495), (2570, 110796), (2638, 107940), (3084, 92330), (3598, 79140), (3855, 73864), (3957, 71960), (5140, 55398), (5276, 53970), (5397, 52760), (6168, 46165), (6595, 43176), (7196, 39570), (7710, 36932), (7914, 35980), (8995, 31656), (9233, 30840), (10280, 27699), (10552, 26985), (10794, 26380), (13190, 21588), (14392, 19785), (15420, 18466), (15828, 17990)]